Recent reports stated the trainees of 'Produce X 101' are appearing on the March 21 episode of 'M Countdown.'

On March 19, a rep from Mnet told Newsen, "The 'Produce X 101' trainees have completed filming the full group performance, however, it's unknown when the stage will be revealed through 'M Countdown.' The broadcast date is unconfirmed."

'Produce X 101' is the fourth season of the 'Produce' series. The theme song revealed to be "Don't __."